"Concert" Radio

Multi-pin Connectors I, II, III And IV On Back Of Radio

Note: Contacts which are not listed are vacant/unassigned.







Multi-pin connector I, 20-pin
1 - Line out, rear left
2 - Line out, rear right
3 - Audio frequency Ground (GND)
4 - Line out front left (up to m.y. 2001)
5 - Line out front right (up to m.y. 2001)
6 - B+ switched
7 - CAN-Bus High (Display) (from m.y. 2002)
8 - Clock signal for radio frequency display in instrument cluster (up to m.y. 2001)
9 - Data signal for radio frequency display in instrument cluster (up to m.y. 2001)
10 - Enable signal for radio frequency display in instrument cluster (up to m.y. 2001)
CD-GND (from m.y. 2002)
11 - Remote control steering wheel (up to m.y. 2001)
12 - CAN-Bus Low (display) (from m.y. 2002)







Multi-pin connector II, 8-pin, brown
3 - Loudspeaker (+) front right
4 - Loudspeaker (-) front right
5 - Loudspeaker (+) front left
6 - Loudspeaker (-) front left

Multi-pin connector III, 8-pin, black
1 - GALA (road speed signal) (up to m.y. 2001)
2 - Telephone muting (up to m.y. 2001)
Cruise control - Ground (from m.y. 2002)
3 - K diagnostic
4 - Connection for switching on and off via ignition key (S contact), terminal 86s (up to m.y. 2001)
5 - Switched positive supply for power antenna (up to m.y. 2001)
6 - Switch illumination (terminal 58s) (up to m.y. 2001)
7 - B+ (terminal 30)
8 - Ground (GND) (terminal 31)







Multi-pin connector IV, 10-pin, red
1 - Telephone muting
2 - Terminal 15 (only on vehicles with navigation system) (up to m.y. 2001)
3 - Telephone (audio frequency +)
4 - Telephone (audio frequency -)
5 - Navigation system (audio frequency +)
6 - Navigation system (audio frequency -)
7 - Navigation system control wire
9 - Display illumination (terminal 58d) (up to m.y. 2001)
10 - CD Ground (CD GND) (up to m.y. 2001)